spi: orion: fix clock imbalance on registration failure

spi: orion: fix clock imbalance on registration failure

Make sure that the controller is not runtime suspended before disabling
clocks on probe failure.

Also restore the autosuspend setting.

Fixes: 5c6786945b4e ("spi: spi-orion: add runtime PM support")
Cc: stable@vger.kernel.org	# 3.17
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20260421130211.1537628-3-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>